Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
500 FOUS54 KMRX 240629 PFMMRX Point Forecast Matrices National Weather Service Morristown TN Issued by National Weather Service Nashville TN 229 AM EDT Tue Jun 24 2025 TNZ017-242015- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 229 AM EDT Tue Jun 24 2025 Date Tue 06/24/25 Wed 06/25/25 Thu 06/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 70 93 69 92 Temp 71 72 84 91 92 86 78 74 71 73 84 90 91 84 75 72 71 72 82 88 89 81 Dewpt 69 70 74 73 71 73 71 70 69 70 73 72 71 72 71 70 69 70 73 72 71 72 RH 93 93 72 56 51 65 79 87 93 90 70 56 52 67 87 93 93 93 74 59 56 74 Wind Dir E E NE NE SW N SE E E E N NW NW W E E N SE NW W NW E Wind Spd 0 0 1 2 2 2 1 1 0 0 1 2 3 2 1 1 0 0 1 2 3 2 Clouds FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 10 20 30 30 40 QPF 12hr 0 0.01 0.02 0.08 0.08 Rain shwrs S C C C C C C C Tstms S C C C S C C C Heat index 91100 99 93 90 98 98 89 88 95 95 86 Max heat 102 102 89 101 101 86 96 96 Heat Y Y Y Y Y Y Y Y Y Y Date Fri 06/27/25 Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 89 68 88 68 88 68 88 Temp 72 72 86 82 71 71 85 82 71 71 85 81 71 71 84 81 Dewpt 69 70 71 71 69 69 72 71 69 70 72 71 69 70 71 71 PWind Dir SE SW S SW S W S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC PoP 12hr 30 60 30 70 40 70 30 70 Rain shwrs C S L C S C L C S C L C S C L Tstms C S L C S C C C S C C S C $$ TNZ071-242015- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 229 AM EDT Tue Jun 24 2025 Date Tue 06/24/25 Wed 06/25/25 Thu 06/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 74 97 73 94 Temp 75 76 87 94 96 88 81 77 76 77 87 94 95 87 79 76 74 75 85 92 92 85 Dewpt 71 72 74 74 72 72 72 72 71 72 74 74 72 73 73 72 71 72 74 74 71 72 RH 87 87 65 53 46 59 74 85 85 85 65 53 48 63 82 87 90 90 70 56 51 65 Wind Dir N N NE NE E N E E E NE NE N NW NW E E SE N NW NW NW SE Wind Spd 0 0 2 2 3 2 2 1 1 1 2 2 3 2 2 1 1 0 1 2 3 3 Clouds FW FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 PoP 12hr 5 10 20 20 40 QPF 12hr 0 0 0.02 0.14 0.03 Rain shwrs S S S S C C C Tstms S S S S C C C Heat index 95105105 95 85 95105104 94 93102 99 91 Max heat 105 106 92 105 106 90 102 102 Heat Y Y Y Y Y Y Y Y Y Y Date Fri 06/27/25 Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 72 91 72 91 71 90 Temp 74 74 89 84 74 74 88 84 74 74 89 83 74 74 88 83 Dewpt 70 70 73 72 71 71 74 72 71 71 74 72 71 71 74 72 PWind Dir S SW S W S W S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC PoP 12hr 30 60 30 70 40 70 40 70 Rain shwrs C S L C S C L C S C L C S C L Tstms C S L C S L C S L C S C $$ TNZ036-242015- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 229 AM EDT Tue Jun 24 2025 Date Tue 06/24/25 Wed 06/25/25 Thu 06/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 74 97 72 94 Temp 75 76 87 94 96 87 80 77 75 77 88 94 95 86 79 75 74 75 85 92 91 84 Dewpt 71 72 76 74 73 73 72 72 71 72 75 74 74 74 73 72 71 72 75 75 74 73 RH 87 87 70 53 48 63 77 85 87 85 66 53 51 68 82 90 90 90 72 58 58 70 Wind Dir E NE NE E N N N N N NE NE NE NW N NE NE N N SW NW SW W Wind Spd 1 1 1 2 2 2 2 2 1 1 1 1 2 2 2 1 1 1 1 2 2 2 Clouds FW FW FW SC FW FW FW SC SC SC FW FW SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 5 5 20 20 30 QPF 12hr 0 0 0.05 0.16 0.01 Rain shwrs S S S S C C C Tstms S S S S C C C Heat index 98105106 94 84 98105106 94 94103101 90 Max heat 105 106 93 105 107 90 103 105 Heat Y Y Y Y Y Y Y Y Y Y Date Fri 06/27/25 Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 71 90 71 91 71 89 Temp 73 74 89 84 73 73 88 83 73 73 88 82 73 73 87 81 Dewpt 71 71 74 72 71 71 75 73 71 71 74 73 71 71 75 73 PWind Dir W SW W SW W SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 SC SC SC SC B1 SC SC SC SC B1 B1 B1 SC SC PoP 12hr 30 60 30 70 40 70 30 70 Rain shwrs C S S L C S C L C S C L C S C L Tstms C S L C C L C C L C S C $$ TNZ099-242015- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 229 AM EDT Tue Jun 24 2025 Date Tue 06/24/25 Wed 06/25/25 Thu 06/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 74 98 74 95 Temp 76 77 89 95 96 90 81 77 74 77 88 96 95 89 80 76 74 75 86 92 91 85 Dewpt 71 72 74 72 71 72 74 73 71 73 75 73 72 73 74 73 72 73 75 73 72 73 RH 85 85 61 48 45 56 79 87 90 87 66 48 48 59 82 90 93 94 70 54 54 67 Wind Dir N N N NE NE NE N N N N NE NE N N N N N N E NE SE SE Wind Spd 0 0 2 2 2 2 1 1 1 1 2 2 2 2 1 1 0 0 1 2 2 2 Clouds FW FW FW FW FW SC FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 5 0 10 20 30 QPF 12hr 0 0 0 0.01 0.05 Rain shwrs S S C C C Tstms S S C C C Heat index 98104104 97 86 98106104 97 85 95101 99 92 Max heat 104 105 94 106 106 93 101 100 Heat Y Y Y Y Y Y Y Y Y Y Date Fri 06/27/25 Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 93 72 93 72 92 72 91 Temp 75 74 90 84 74 74 90 84 74 74 89 83 74 74 88 82 Dewpt 72 72 73 72 72 72 73 73 72 72 74 72 72 72 73 73 PWind Dir S SW SW SW SW W SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 60 20 60 30 70 30 70 Rain shwrs C S S L S S C L C S C L C S C L Tstms C S L S S C L C S L C S L $$ NCZ060-242015- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 229 AM EDT Tue Jun 24 2025 Date Tue 06/24/25 Wed 06/25/25 Thu 06/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 68 94 67 92 Temp 67 69 85 91 92 83 75 72 69 71 85 92 90 81 73 70 68 69 82 88 88 80 Dewpt 66 68 73 72 71 71 71 69 67 68 74 72 72 72 71 68 67 68 72 71 70 71 RH 97 97 67 54 51 67 87 90 93 90 70 52 56 74 93 93 97 97 72 57 55 74 Min/Max RH MM MM MM MM MM Wind Dir N N N NE N NW N N N N N NW N NE E E N N NW W NW NE Wind Dir Deg 0 0 33 4 0 31 0 0 0 0 1 31 33 6 8 10 0 0 31 27 32 5 Wind Spd 0 0 1 2 2 1 0 0 0 0 1 2 2 2 1 1 0 0 1 2 2 2 Clouds FW SC FW SC SC B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC B1 Clouds (%) 19 27 7 27 39 53 34 29 38 50 27 45 56 68 59 52 49 45 30 44 47 57 Vsby PoP 12hr 10 10 40 30 50 QPF 12hr 0 0 0.15 0.04 0.16 Rain shwrs C C C C S S C C C Tstms C C C S S C C C Heat index 92 99 99 88 93100 97 85 87 94 93 83 Max heat 99 100 84 100 100 94 95 ChanceThunder MM MM MM MM MM Max Mix Hgt AGL Mix Hgt 6200 6100 5600 Max Vent Rt T Wind Dir NE NE SE T Wind Spd 5 4 5 ADI 33 26 Max LVORI Stability MM MM MM MM MM MM MM MM MM MM MM Ceiling MM MM MM MM MM MM MM MM MM MM MM Sta Pres MM MM MM MM MM MM MM MM MM MM MM Date Fri 06/27/25 Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 90 66 89 66 88 66 88 Temp 69 69 86 79 68 69 85 79 68 69 86 78 68 69 85 77 Dewpt 67 67 70 70 67 68 71 69 67 68 71 70 68 68 70 70 PWind Dir E W NE NW W NW NE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 70 30 70 40 80 40 80 Rain shwrs C C L C S C L C C D C S C D Tstms C C L C S C L C C L C S L This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$